Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1996-09-18
1998-08-11
Jagannathan, Vasu
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524430, 524437, 524451, 524492, C08J 510, C08K 326, C08L 2300
Patent
active
057928070
ABSTRACT:
The present invention relates to a marking composition capable of developing a vivid white color upon the application of laser beams, which composition comprises a polyolefin resin having no fluidity at a temperature of 50.degree. C. and at least one inorganic material selected from talc, calcium carbonate and aluminum hydroxide, wherein the inorganic material is blended in a ratio of 1-300 w/w % based upon the polyolefin resin. The invention also provides the resin moldings obtained by molding the marking compositions.
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Hayashihara Shoiti
Kudho Masaru
Shinmoto Masaki
Umeyama Chie
Jagannathan Vasu
Nippon Kayaku Kabushiki Kaisha
Rajguru U. K.
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